Science

Tuesday, 3 February 2026
13 facts about tears
13 facts about tears
Multipurpose liquid
Associated with emotions, tears are a product of lacrimal glands, found in the eyes of most terrestrial vertebrates. Although their primary function i ...

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Titan
Rains of liquid organic compounds, mainly methane, fall to the surface of the moon from clouds consisting of methane and ethane.
Typically, cloud cover does not exceed 1% of the moon's surface, but periodically it can increase up ...
Liver
It is present in all vertebrates.
Liver
It consists of four lobes, each made up of eight sections.
Tears
The human eye produces up to about 115 liters of tears annually.
lava
The temperature of lava, depending on its composition, can range from 700 to 1,200 °C.
Beyond Earth, lava can reach even higher temperatures; the record holder is Io, Jupiter's moon, where satellites have recorded lava flows with an average temperature of 1,300 °C (2,370 °F).
Brain
The brain produces about 25 watts of energy.
It does not happen that the brain does not function even for a nanosecond. It constantly analyzes, t ...
Cosmos
Each object in the sky is observed with a delay.
The farther away the celestial body is from the observer, the longer the light emitted or reflected ...
Aurora
It is believed that the aurora phenomenon may occur on all other extrasolar planets that have a magnetic field and a magnetosphere exposed to stellar winds.
The resolution of the telescopes does not make it possible to capture an image of this phenomenon, but the emission of radio waves accompanying the aurora can be detected using radio telescopes.
Phobos
The largest impact crater on the surface of Phobos is called Stickney, its diameter is up to 10 kilometers.
It was named after Asaph Hall’s wife, Chloe Angeline Stickney Hall, a mathematician. A collision that formed Stickney crater could have shattered the moon.
Amber
It is made up of about 78% carbon, 10% hydrogen, and 11% oxygen.